* {
    margin: 0;
    padding: 0;
}

table {
    border-collapse: collapse;
    width: 100%;
}

th, td {
    padding: 8px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #f2f2f2;
}

tr:hover {
    background-color: #f5f5f5;
}

.center {
    text-align: center;
}

.btn {
    padding: 6px 12px;
    border-radius: 4px;
    border: none;
    color: #fff;
    cursor: pointer;
}

.btn-mute {
    background-color: #f44336;
}

.btn-ban {
    background-color: #ff9800;
}

.btn-unrestrict {
    background-color: #4caf50;
}